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  <h1 class="topictitle1">Step 3: (Optional) Enabling Replication Link Encryption</h1>
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   <p id="postgresql-0025__en-us_topic_0000001839223169_p105016314451">You need to enable replication link encryption if required. Some models of this product do not support replication link encryption. For details, see the product documentation released on the technical support website or consult the product provider.</p>
   <div class="section" id="postgresql-0025__en-us_topic_0000001839223169_section24195510205">
    <h4 class="sectiontitle">Prerequisites</h4>
    <p id="postgresql-0025__en-us_topic_0000001839223169_p1622151092014">IPsec policies have been created for the replication network logical ports on the storage devices at both ends of the replication link. For details, see <a href="postgresql-0024.html#postgresql-0024">(Optional) Step 2: Creating an IPsec Policy</a>.</p>
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   <div class="section" id="postgresql-0025__en-us_topic_0000001839223169_section1875724814116">
    <h4 class="sectiontitle">Procedure</h4>
    <ol id="postgresql-0025__en-us_topic_0000001839223169_ol171184511428">
     <li id="postgresql-0025__en-us_topic_0000001839223169_li185661554204220"><span>Choose <span class="uicontrol" id="postgresql-0025__en-us_topic_0000001839223169_en-us_topic_0000001102065552_en-us_topic_0000001085869992_en-us_topic_0000001092505479_uicontrol123381932135316"><b><span id="postgresql-0025__en-us_topic_0000001839223169_en-us_topic_0000001102065552_en-us_topic_0000001085869992_en-us_topic_0000001092505479_text113848306235"><span id="postgresql-0025__en-us_topic_0000001839223169_en-us_topic_0000001102065552_text8949174614917"><strong>System</strong></span></span> &gt; <span id="postgresql-0025__en-us_topic_0000001839223169_en-us_topic_0000001102065552_en-us_topic_0000001085869992_text484521122916"><span id="postgresql-0025__en-us_topic_0000001839223169_en-us_topic_0000001102065552_text2943115917492"><strong>Security</strong></span></span> &gt; <span id="postgresql-0025__en-us_topic_0000001839223169_text6472734351"><strong>Data Security</strong></span></b></span>.</span></li>
     <li id="postgresql-0025__en-us_topic_0000001839223169_li109511195437"><span>In the <strong id="postgresql-0025__en-us_topic_0000001839223169_b14575192141410">Encryption Settings</strong> area, click <span class="uicontrol" id="postgresql-0025__en-us_topic_0000001839223169_uicontrol175752216143"><b><span id="postgresql-0025__en-us_topic_0000001839223169_text0575192116143"><strong>Modify</strong></span></b></span> on the right of the page and enable <span class="uicontrol" id="postgresql-0025__en-us_topic_0000001839223169_uicontrol13743170204412"><b><span id="postgresql-0025__en-us_topic_0000001839223169_text759012211354"><strong>Replication Link Encryption</strong></span></b></span>.</span></li>
     <li id="postgresql-0025__en-us_topic_0000001839223169_li178813714443"><span>Click <span class="uicontrol" id="postgresql-0025__en-us_topic_0000001839223169_uicontrol1839019167443"><b><span id="postgresql-0025__en-us_topic_0000001839223169_text1418318566358"><strong>Save</strong></span></b></span>.</span></li>
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     <strong>Parent topic:</strong> <a href="postgresql-0021.html">Replicating PostgreSQL Database Copies</a>
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